<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
                 $n=5; 
            for($i=1;$i<=$n;$i++){
            for($k=1;$k<=$n-$i;$k++){
        echo"&nbsp;";
         }
            for($j=1;$j<=2*$i-1;$j++){
               echo"*";
          }
         echo"<br/>";
}

        ?>
    </body>
</html>
